IMO, don't try to do your boss job.
If policies are not enforced/supported *in the long run* by him in a convincing manner, forget it. The employees will (naturally) find a preferable alternative in your boss at your detriment.
Too often I have seen managers like your boss to make policies...
I just read a book about it from Womack & Jones. I have the impression that these guys think that continous flow is always the good for all and that lot mfg is always the bad. I understand the other concepts, (added value, value stream). But this one (continuous flow) has a limited...